What Diseases Can Floods Cause?

What Diseases Can Floods Cause? Wound infections. Skin rash. Gastrointestinal illness. Tetanus. Leptospirosis (not common) Why do floods cause diseases? The main cause of waterborne diseases during flooding is the contamination of drinking water supply. Floods transport bacteria, parasites, and viruses into the clean water system thus leading to the outbreak of waterborne diseases [5].